Bluetooth speaker



FIG. 1 is a front view of a Bluetooth speaker, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

The broken lines represent portions of the structure that forms no part of the claim. 

CLAIM The ornamental design for a “Bluetooth speaker,” as shown and described. 